Checking out an older version, e.g 0.2 fails immediately after a clone. Only succeeds after doing;
git fetch origin
git checkout v0.2.0 (#not 0.2).
Thanks for the great app.
Closed by 8ee3c3e correct branch checkout instruction
That was supposed to be a branch, not a tag.
Thanks for the correction.
Closes GH-623 correct branch checkout instruction